./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 73fdf555f3f5e47d818d7f4214b9add97d75e1b5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 73fdf555f3f5e47d818d7f4214b9add97d75e1b5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:01:50,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:01:50,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:01:50,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:01:50,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:01:50,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:01:50,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:01:50,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:01:50,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:01:50,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:01:50,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:01:50,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:01:50,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:01:50,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:01:50,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:01:50,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:01:50,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:01:50,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:01:50,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:01:50,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:01:50,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:01:50,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:01:50,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:01:50,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:01:50,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:01:50,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:01:50,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:01:50,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:01:50,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:01:50,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:01:50,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:01:50,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:01:50,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:01:50,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:01:50,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:01:50,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:01:50,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:01:50,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:01:50,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:01:50,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:01:50,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:01:50,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:01:50,797 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:01:50,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:01:50,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:01:50,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:01:50,810 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:01:50,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:01:50,813 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:01:50,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:01:50,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:01:50,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:01:50,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:01:50,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:01:50,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:01:50,816 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:01:50,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:01:50,818 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:01:50,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:01:50,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:01:50,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:01:50,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:01:50,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:01:50,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:01:50,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:01:50,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:01:50,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:01:50,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:01:50,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:01:50,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:01:50,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73fdf555f3f5e47d818d7f4214b9add97d75e1b5 [2019-11-27 10:01:51,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:01:51,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:01:51,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:01:51,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:01:51,402 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:01:51,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2019-11-27 10:01:51,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cd9e24d/08c7be0c4ecb473487644f8ee60d426b/FLAG045c5057f [2019-11-27 10:01:52,663 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:01:52,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2019-11-27 10:01:52,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cd9e24d/08c7be0c4ecb473487644f8ee60d426b/FLAG045c5057f [2019-11-27 10:01:52,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cd9e24d/08c7be0c4ecb473487644f8ee60d426b [2019-11-27 10:01:52,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:01:52,722 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:01:52,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:01:52,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:01:52,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:01:52,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:01:52" (1/1) ... [2019-11-27 10:01:52,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ceee9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:01:52, skipping insertion in model container [2019-11-27 10:01:52,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:01:52" (1/1) ... [2019-11-27 10:01:52,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:01:52,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:01:53,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:01:53,812 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:01:54,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:01:54,122 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:01:54,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:01:54 WrapperNode [2019-11-27 10:01:54,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:01:54,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:01:54,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:01:54,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:01:54,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:01:54" (1/1) ... [2019-11-27 10:01:54,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:01:54" (1/1) ... [2019-11-27 10:01:54,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:01:54,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:01:54,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:01:54,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:01:54,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:01:54" (1/1) ... [2019-11-27 10:01:54,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:01:54" (1/1) ... [2019-11-27 10:01:54,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:01:54" (1/1) ... [2019-11-27 10:01:54,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:01:54" (1/1) ... [2019-11-27 10:01:54,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:01:54" (1/1) ... [2019-11-27 10:01:54,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:01:54" (1/1) ... [2019-11-27 10:01:54,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:01:54" (1/1) ... [2019-11-27 10:01:54,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:01:54,519 INFO L168 Benchmark]: Toolchain (without parser) took 1787.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.3 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:01:54,520 INFO L168 Benchmark]: CDTParser took 2.63 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:01:54,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1402.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:01:54,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.62 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:01:54,532 INFO L168 Benchmark]: Boogie Preprocessor took 194.75 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:01:54,546 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.63 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1402.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 173.62 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.75 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:01:58,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:01:58,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:01:58,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:01:58,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:01:58,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:01:58,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:01:58,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:01:58,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:01:58,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:01:58,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:01:58,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:01:58,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:01:58,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:01:58,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:01:58,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:01:58,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:01:58,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:01:58,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:01:58,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:01:58,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:01:58,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:01:58,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:01:58,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:01:58,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:01:58,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:01:58,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:01:58,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:01:58,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:01:58,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:01:58,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:01:58,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:01:58,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:01:58,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:01:58,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:01:58,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:01:58,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:01:58,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:01:58,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:01:58,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:01:58,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:01:58,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:01:58,524 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:01:58,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:01:58,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:01:58,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:01:58,532 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:01:58,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:01:58,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:01:58,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:01:58,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:01:58,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:01:58,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:01:58,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:01:58,537 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:01:58,539 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:01:58,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:01:58,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:01:58,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:01:58,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:01:58,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:01:58,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:01:58,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:01:58,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:01:58,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:01:58,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:01:58,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:01:58,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:01:58,548 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:01:58,548 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:01:58,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:01:58,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:01:58,550 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73fdf555f3f5e47d818d7f4214b9add97d75e1b5 [2019-11-27 10:01:59,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:01:59,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:01:59,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:01:59,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:01:59,193 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:01:59,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2019-11-27 10:01:59,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bebeb7fa/2bfb78049700419f89b185080084eb9e/FLAGb191aab49 [2019-11-27 10:02:00,601 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:02:00,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2019-11-27 10:02:00,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bebeb7fa/2bfb78049700419f89b185080084eb9e/FLAGb191aab49 [2019-11-27 10:02:00,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bebeb7fa/2bfb78049700419f89b185080084eb9e [2019-11-27 10:02:00,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:02:00,687 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:02:00,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:00,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:02:00,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:02:00,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:00" (1/1) ... [2019-11-27 10:02:00,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1200897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:00, skipping insertion in model container [2019-11-27 10:02:00,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:00" (1/1) ... [2019-11-27 10:02:00,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:02:00,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:02:01,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:01,855 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:02:02,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:02,170 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:02:02,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:02 WrapperNode [2019-11-27 10:02:02,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:02,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:02,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:02:02,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:02:02,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:02" (1/1) ... [2019-11-27 10:02:02,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:02" (1/1) ... [2019-11-27 10:02:02,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:02,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:02:02,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:02:02,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:02:02,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:02" (1/1) ... [2019-11-27 10:02:02,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:02" (1/1) ... [2019-11-27 10:02:02,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:02" (1/1) ... [2019-11-27 10:02:02,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:02" (1/1) ... [2019-11-27 10:02:02,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:02" (1/1) ... [2019-11-27 10:02:02,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:02" (1/1) ... [2019-11-27 10:02:02,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:02" (1/1) ... [2019-11-27 10:02:02,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:02:02,658 INFO L168 Benchmark]: Toolchain (without parser) took 1964.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 967.0 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:02:02,663 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:02:02,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1478.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:02,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 238.82 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:02:02,672 INFO L168 Benchmark]: Boogie Preprocessor took 221.78 ms. Allocated memory is still 1.0 GB. Free memory was 972.7 MB in the beginning and 967.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:02,685 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1478.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 238.82 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 221.78 ms. Allocated memory is still 1.0 GB. Free memory was 972.7 MB in the beginning and 967.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...